P2P Networks Infected With Downloader-UA.h Trojan
Posted by cotojo on May 9, 2008
Half a million computers have been infected with Downloader-UA.h trojan since the beginning of May which has prompted McAfee to declare the latest Trojan threat the most significant malware threat since 2005. This has also been verified by other anti-virus vendors as a security risk.
It consists of a malicious MPEG or MP3 file which has been propagated through P2P networking sites and has inflicted major damage.
It uses different file sizes, different languages and different formats to fool individuals into running the software, and any attempt to play the file will result in ads being served to the infected computer.
File sizes vary as do the file names. Here are some of the samples file names:
preview-t-3545425-changing times earth wind .mp3
preview-t-3545425-girls aloud st trinnians.mp3
preview-t-3545425-heartbroken fast t2 ft jodie.mp3
t-3545425-dx vs randi orton 2007.mpg
t-3545425-para sayo freestyle.mp3
t-3545425-peanut butter jelly amende.mp3
t-3545425-stare at sun thrice.mp3
Any user attempting to load one of these MP3 and MPG files will not get the music/video they were hoping for, but get directed to download a file named PLAY_MP3.exe
If users agree to download and run PLAY_MP3.exe an End User License Agreement is displayed (EULA). Users accepting the terms of the EULA will have ‘FBrowsingAdvisor’ and ‘SurfingEnhancer’ installed as well as PlayMP3.exe which is a browser control
Download and install these two free programs:
Turn off system restore - right click My Computer and select Properties, click the System restore Tab and tick the checkbox ‘Turn off System Restore on all drives’.
Reboot into Safe mode - keep tapping the F8 key and using the up and down arrows highlight Safe Mode then press ‘Enter’.
Run the two applications as well as any other anti-spyware, anti-trojan or anti-virus software you may have.
Empty the virus vaults and recycle bin. Restart in normal mode. Turn System Restore back on.
© Free PC Security 2008
Technorati Tags: Downloader-UA.h trojan, Malicious MPEG, Technology, PC Security, Free PC Security, Malicious MP3
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